Across
- 2. this civilization early cultivating crop
- 5. an influential philosophy
- 7. system in which people were given land and protection by people of higher rank
- 10. first dynasty to leave written records
- 11. dynasty that ruled through a feudal system
Down
- 1. the era when the farming of plants and animals begin
- 3. a metal used to produce beautiful artifacts
- 4. a line of hereditary rulers of a country
- 6. Yellow River is also known as the____River
- 7. natural disaster associated with Yellow River
- 8. complex irrigation system technique
- 9. made it ideal for agriculture